Alkali Metal Salts

Alkali metal salts are naturally-occurring compounds available in a wide variety of chemical compositions, quantities, purities, and reagent grades. They have numerous chemical, biological, pharmaceutical, educational, research, and everyday applications.

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Potassium carbonate, anhydrous, 99%

CAS: 584-08-7 Molecular Formula: CK2O3 Molecular Weight (g/mol): 138.21 MDL Number: MFCD00011382 InChI Key: BWHMMNNQKKPAPP-UHFFFAOYSA-L Synonym: potassium carbonate,dipotassium carbonate,potash,potassium carbonate, anhydrous,carbonic acid, dipotassium salt,carbonate of potash,pearl ash,salt of tartar,kaliumcarbonat,potassiumcarbonate PubChem CID: 11430 SMILES: [K+].[K+].[O-]C([O-])=O

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PubChem CID	11430
CAS	584-08-7
Molecular Weight (g/mol)	138.21
MDL Number	MFCD00011382
SMILES	[K+].[K+].[O-]C([O-])=O
Synonym	potassium carbonate,dipotassium carbonate,potash,potassium carbonate, anhydrous,carbonic acid, dipotassium salt,carbonate of potash,pearl ash,salt of tartar,kaliumcarbonat,potassiumcarbonate
InChI Key	BWHMMNNQKKPAPP-UHFFFAOYSA-L
Molecular Formula	CK2O3

Trisodium citrate dihydrate, ACS, 99.0% min

CAS: 4-3-6132 Molecular Formula: C6H9Na3O9 Molecular Weight (g/mol): 294.10 MDL Number: MFCD00150031 InChI Key: NLJMYIDDQXHKNR-UHFFFAOYSA-K Synonym: trisodium citrate dihydrate,sodium citrate dihydrate,sodium citrate tribasic dihydrate,natriumcitrat-dihydrat,sodium citrate hydrate,1,2,3-propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrate,citronensaeure-tri-na-salz-dihydrat,citric acid trisodium salt dihydrate,citric acid, trisodium salt dihydrate,trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate PubChem CID: 71474 ChEBI: CHEBI:32142 IUPAC Name: trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate SMILES: C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]

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PubChem CID	71474
CAS	4-3-6132
Molecular Weight (g/mol)	294.10
ChEBI	CHEBI:32142
MDL Number	MFCD00150031
SMILES	C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]
Synonym	trisodium citrate dihydrate,sodium citrate dihydrate,sodium citrate tribasic dihydrate,natriumcitrat-dihydrat,sodium citrate hydrate,1,2,3-propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrate,citronensaeure-tri-na-salz-dihydrat,citric acid trisodium salt dihydrate,citric acid, trisodium salt dihydrate,trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
IUPAC Name	trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate
InChI Key	NLJMYIDDQXHKNR-UHFFFAOYSA-K
Molecular Formula	C6H9Na3O9

Sodium carbonate, anhydrous, ACS, 99.5% min

CAS: 497-19-8 Molecular Formula: CNa2O3 Molecular Weight (g/mol): 105.99 MDL Number: MFCD00003494 InChI Key: CDBYLPFSWZWCQE-UHFFFAOYSA-L Synonym: sodium carbonate,disodium carbonate,soda ash,carbonic acid disodium salt,calcined soda,sodium carbonate, anhydrous,carbonic acid, disodium salt,washing soda,sodiumcarbonate,solvay soda PubChem CID: 10340 ChEBI: CHEBI:29377 SMILES: [Na+].[Na+].[O-]C([O-])=O

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PubChem CID	10340
CAS	497-19-8
Molecular Weight (g/mol)	105.99
ChEBI	CHEBI:29377
MDL Number	MFCD00003494
SMILES	[Na+].[Na+].[O-]C([O-])=O
Synonym	sodium carbonate,disodium carbonate,soda ash,carbonic acid disodium salt,calcined soda,sodium carbonate, anhydrous,carbonic acid, disodium salt,washing soda,sodiumcarbonate,solvay soda
InChI Key	CDBYLPFSWZWCQE-UHFFFAOYSA-L
Molecular Formula	CNa2O3

Potassium iodide, ACS, 99.0% min

CAS: 7681-11-0 Molecular Formula: IK Molecular Weight (g/mol): 166.003 MDL Number: MFCD00011405 InChI Key: NLKNQRATVPKPDG-UHFFFAOYSA-M Synonym: potassium iodide,potassium iodide ki,pima,kali iodide,thyro-block,knollide,kisol,asmofug e,potassium diiodide,potassium monoiodide PubChem CID: 4875 ChEBI: CHEBI:8346 IUPAC Name: potassium;iodide SMILES: [K+].[I-]

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PubChem CID	4875
CAS	7681-11-0
Molecular Weight (g/mol)	166.003
ChEBI	CHEBI:8346
MDL Number	MFCD00011405
SMILES	[K+].[I-]
Synonym	potassium iodide,potassium iodide ki,pima,kali iodide,thyro-block,knollide,kisol,asmofug e,potassium diiodide,potassium monoiodide
IUPAC Name	potassium;iodide
InChI Key	NLKNQRATVPKPDG-UHFFFAOYSA-M
Molecular Formula	IK

Sodium thiosulfate, anhydrous, 98+%

CAS: 7772-98-7 Molecular Formula: Na2O3S2 Molecular Weight (g/mol): 158.10 MDL Number: MFCD00003499 InChI Key: AKHNMLFCWUSKQB-UHFFFAOYSA-L Synonym: sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt PubChem CID: 24477 IUPAC Name: disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane SMILES: [Na+].[Na+].[O-]S([S-])(=O)=O

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PubChem CID	24477
CAS	7772-98-7
Molecular Weight (g/mol)	158.10
MDL Number	MFCD00003499
SMILES	[Na+].[Na+].[O-]S([S-])(=O)=O
Synonym	sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt
IUPAC Name	disodium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane
InChI Key	AKHNMLFCWUSKQB-UHFFFAOYSA-L
Molecular Formula	Na2O3S2

Potassium nitrate, 99%

CAS: 7757-79-1 Molecular Formula: KNO3 Molecular Weight (g/mol): 101.10 MDL Number: MFCD00011409 InChI Key: FGIUAXJPYTZDNR-UHFFFAOYSA-N Synonym: potassium nitrate,saltpeter,nitre,nitrate of potash,vicknite,nitric acid potassium salt,nitric acid, potassium salt,saltpetre,kaliumnitrat,kalii nitras PubChem CID: 24434 ChEBI: CHEBI:63043 IUPAC Name: potassium;nitrate SMILES: [K+].[O-][N+]([O-])=O

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PubChem CID	24434
CAS	7757-79-1
Molecular Weight (g/mol)	101.10
ChEBI	CHEBI:63043
MDL Number	MFCD00011409
SMILES	[K+].[O-][N+]([O-])=O
Synonym	potassium nitrate,saltpeter,nitre,nitrate of potash,vicknite,nitric acid potassium salt,nitric acid, potassium salt,saltpetre,kaliumnitrat,kalii nitras
IUPAC Name	potassium;nitrate
InChI Key	FGIUAXJPYTZDNR-UHFFFAOYSA-N
Molecular Formula	KNO3

Sodium hydroxide, 1.0N Standardized Solution

CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M Synonym: sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic PubChem CID: 14798 ChEBI: CHEBI:32145 IUPAC Name: sodium;hydroxide SMILES: [OH-].[Na+]

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PubChem CID	14798
CAS	1310-73-2
Molecular Weight (g/mol)	39.997
ChEBI	CHEBI:32145
MDL Number	MFCD00003548
SMILES	[OH-].[Na+]
Synonym	sodium hydroxide,caustic soda,sodium hydrate,white caustic,soda lye,aetznatron,ascarite,sodium hydroxide na oh,sodium hydroxide solution,soda, caustic
IUPAC Name	sodium;hydroxide
InChI Key	HEMHJVSKTPXQMS-UHFFFAOYSA-M
Molecular Formula	HNaO

Sodium thiosulfate, 0.1 N standard solution

CAS: 7772-98-7 | Na2O3S2 | 158.10 g/mol

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Linear Formula	Na₂S₂O₃
Molecular Weight (g/mol)	158.10
Color	Colorless
Physical Form	Liquid
Chemical Name or Material	Sodium thiosulfate
SMILES	[Na+].[Na+].[O-]S([S-])(=O)=O
Merck Index	15, 8821
InChI Key	AKHNMLFCWUSKQB-UHFFFAOYSA-L
PubChem CID	24477
Concentration or Composition (by Analyte or Components)	0.0950 to 0.1050N (20°C)
CAS	7732-18-5
MDL Number	MFCD00003499
Health Hazard 1
Synonym	sodium thiosulfate,sodium thiosulphate,disodium thiosulfate,sodium thiosulfate anhydrous,hypo,sodiumthiosulfate,chlorine cure,chlorine control,declor-it,thiosulfuric acid, disodium salt
Molecular Formula	Na2O3S2
Formula Weight	158.11

Sodium acetate, anhydrous, ACS, 99.0% min

CAS: 127-09-3 Molecular Formula: C2H3NaO2 Molecular Weight (g/mol): 82.03 MDL Number: MFCD00012459 InChI Key: VMHLLURERBWHNL-UHFFFAOYSA-M Synonym: sodium acetate,acetic acid, sodium salt,sodium acetate anhydrous,sodium acetate, anhydrous,acetic acid sodium salt,anhydrous sodium acetate,sodii acetas,sodium ethanoate,natrium aceticum,octan sodny czech PubChem CID: 517045 ChEBI: CHEBI:32954 IUPAC Name: sodium acetate SMILES: [Na+].CC([O-])=O

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PubChem CID	517045
CAS	127-09-3
Molecular Weight (g/mol)	82.03
ChEBI	CHEBI:32954
MDL Number	MFCD00012459
SMILES	[Na+].CC([O-])=O
Synonym	sodium acetate,acetic acid, sodium salt,sodium acetate anhydrous,sodium acetate, anhydrous,acetic acid sodium salt,anhydrous sodium acetate,sodii acetas,sodium ethanoate,natrium aceticum,octan sodny czech
IUPAC Name	sodium acetate
InChI Key	VMHLLURERBWHNL-UHFFFAOYSA-M
Molecular Formula	C2H3NaO2

Potassium Sulfate, 99%

CAS: 7778-80-5 Molecular Formula: K2O4S Molecular Weight (g/mol): 174.25 MDL Number: MFCD00011388 InChI Key: OTYBMLCTZGSZBG-UHFFFAOYSA-L Synonym: potassium sulfate,dipotassium sulfate,potassium sulphate,sulfuric acid dipotassium salt,sal polychrestum,sulfuric acid, potassium salt,arcanum duplicatum,kalium sulphuricum,caswell no. 702,sulfuric acid, dipotassium salt PubChem CID: 24507 ChEBI: CHEBI:32036 IUPAC Name: dipotassium sulfate SMILES: [K+].[K+].[O-]S([O-])(=O)=O

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PubChem CID	24507
CAS	7778-80-5
Molecular Weight (g/mol)	174.25
ChEBI	CHEBI:32036
MDL Number	MFCD00011388
SMILES	[K+].[K+].[O-]S([O-])(=O)=O
Synonym	potassium sulfate,dipotassium sulfate,potassium sulphate,sulfuric acid dipotassium salt,sal polychrestum,sulfuric acid, potassium salt,arcanum duplicatum,kalium sulphuricum,caswell no. 702,sulfuric acid, dipotassium salt
IUPAC Name	dipotassium sulfate
InChI Key	OTYBMLCTZGSZBG-UHFFFAOYSA-L
Molecular Formula	K2O4S

Sodium azide, 99%

CAS: 26628-22-8 Molecular Formula: N3Na Molecular Weight (g/mol): 65.011 MDL Number: MFCD00003536 InChI Key: PXIPVTKHYLBLMZ-UHFFFAOYSA-N Synonym: sodium azide,azide, sodium,natriumazid,nemazyd,smite,kazoe,azoture de sodium,sodium azide na n3,hydrazoic acid, sodium salt,natriumazid german PubChem CID: 33557 ChEBI: CHEBI:278547 IUPAC Name: sodium;azide SMILES: [N-]=[N+]=[N-].[Na+]

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PubChem CID	33557
CAS	26628-22-8
Molecular Weight (g/mol)	65.011
ChEBI	CHEBI:278547
MDL Number	MFCD00003536
SMILES	[N-]=[N+]=[N-].[Na+]
Synonym	sodium azide,azide, sodium,natriumazid,nemazyd,smite,kazoe,azoture de sodium,sodium azide na n3,hydrazoic acid, sodium salt,natriumazid german
IUPAC Name	sodium;azide
InChI Key	PXIPVTKHYLBLMZ-UHFFFAOYSA-N
Molecular Formula	N3Na

Potassium bromide, FTIR Grade

CAS: 2-3-7758 Molecular Formula: BrK Molecular Weight (g/mol): 119.00 MDL Number: MFCD00011358 InChI Key: IOLCXVTUBQKXJR-UHFFFAOYSA-M Synonym: potassium bromide,bromide salt of potassium,kalii bromidum,bromure de potassium,caswell no. 684,tripotassium tribromide,potassium bromide k3br3,unii-osd78555zm,ccris 6095 PubChem CID: 253877 ChEBI: CHEBI:32030 SMILES: [K+].[Br-]

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PubChem CID	253877
CAS	2-3-7758
Molecular Weight (g/mol)	119.00
ChEBI	CHEBI:32030
MDL Number	MFCD00011358
SMILES	[K+].[Br-]
Synonym	potassium bromide,bromide salt of potassium,kalii bromidum,bromure de potassium,caswell no. 684,tripotassium tribromide,potassium bromide k3br3,unii-osd78555zm,ccris 6095
InChI Key	IOLCXVTUBQKXJR-UHFFFAOYSA-M
Molecular Formula	BrK

Potassium dichromate, ACS, 99.0% min

CAS: 7778-50-9 Molecular Formula: Cr2K2O7 Molecular Weight (g/mol): 294.182 MDL Number: MFCD00011367 InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N Synonym: potassium dichromate,potassium bichromate,kaliumdichromat,iopezite,dipotassium bichromate,dipotassium dichromate,potassium dichromate vi,dichromic acid dipotassium salt,dipotassium dichromium heptaoxide,bichromate of potash PubChem CID: 24502 ChEBI: CHEBI:53444 IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

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PubChem CID	24502
CAS	7778-50-9
Molecular Weight (g/mol)	294.182
ChEBI	CHEBI:53444
MDL Number	MFCD00011367
SMILES	[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
Synonym	potassium dichromate,potassium bichromate,kaliumdichromat,iopezite,dipotassium bichromate,dipotassium dichromate,potassium dichromate vi,dichromic acid dipotassium salt,dipotassium dichromium heptaoxide,bichromate of potash
IUPAC Name	dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
InChI Key	KMUONIBRACKNSN-UHFFFAOYSA-N
Molecular Formula	Cr2K2O7

Potassium persulfate, 99+%, ACS reagent

CAS: 7727-21-1 Molecular Formula: K₂O₈S₂ Molecular Weight (g/mol): 270.3 MDL Number: MFCD00011386 InChI Key: USHAGKDGDHPEEY-UHFFFAOYSA-L Synonym: potassium persulfate,anthion,potassium peroxydisulfate,potassium peroxodisulfate,dipotassium peroxydisulfate,potassium peroxydisulphate,dipotassium persulfate,caswell no. 700,dipotassium peroxodisulphate,unii-6b86k0mczc PubChem CID: 24412 IUPAC Name: dipotassium;sulfonatooxy sulfate SMILES: [O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]

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PubChem CID	24412
CAS	7727-21-1
Molecular Weight (g/mol)	270.3
MDL Number	MFCD00011386
SMILES	[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
Synonym	potassium persulfate,anthion,potassium peroxydisulfate,potassium peroxodisulfate,dipotassium peroxydisulfate,potassium peroxydisulphate,dipotassium persulfate,caswell no. 700,dipotassium peroxodisulphate,unii-6b86k0mczc
IUPAC Name	dipotassium;sulfonatooxy sulfate
InChI Key	USHAGKDGDHPEEY-UHFFFAOYSA-L
Molecular Formula	K₂O₈S₂

Lithium chloride, anhydrous, 98+%

CAS: 7447-41-8 Molecular Formula: ClLi Molecular Weight (g/mol): 42.39 MDL Number: MFCD00011078 InChI Key: KWGKDLIKAYFUFQ-UHFFFAOYSA-M Synonym: lithium chloride,lithium chloride licl,lithiumchloride,licl,chlorure de lithium,chlorku litu,chlorolithium,lithiumchlorid,chlorku litu polish,luthium chloride PubChem CID: 433294 ChEBI: CHEBI:48607 IUPAC Name: lithium;chloride SMILES: [Li+].[Cl-]

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PubChem CID	433294
CAS	7447-41-8
Molecular Weight (g/mol)	42.39
ChEBI	CHEBI:48607
MDL Number	MFCD00011078
SMILES	[Li+].[Cl-]
Synonym	lithium chloride,lithium chloride licl,lithiumchloride,licl,chlorure de lithium,chlorku litu,chlorolithium,lithiumchlorid,chlorku litu polish,luthium chloride
IUPAC Name	lithium;chloride
InChI Key	KWGKDLIKAYFUFQ-UHFFFAOYSA-M
Molecular Formula	ClLi

Alkali Metal Salts

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Sodium thiosulfate, 0.1 N standard solution GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Sodium thiosulfate, 0.1 N standard solution